Adding ECR

moto/ecr/models.py

@@ -0,0 +1,221 @@
+from __future__ import unicode_literals
+# from datetime import datetime
+from random import random
+
+from moto.core import BaseBackend, BaseModel
+from moto.ec2 import ec2_backends
+from copy import copy
+import hashlib
+
+
+class BaseObject(BaseModel):
+
+    def camelCase(self, key):
+        words = []
+        for i, word in enumerate(key.split('_')):
+            if i > 0:
+                words.append(word.title())
+            else:
+                words.append(word)
+        return ''.join(words)
+
+    def gen_response_object(self):
+        response_object = copy(self.__dict__)
+        for key, value in response_object.items():
+            if '_' in key:
+                response_object[self.camelCase(key)] = value
+                del response_object[key]
+        return response_object
+
+    @property
+    def response_object(self):
+        return self.gen_response_object()
+
+
+class Repository(BaseObject):
+
+    def __init__(self, repository_name):
+        self.arn = 'arn:aws:ecr:us-east-1:012345678910:repository/{0}'.format(
+            repository_name)
+        self.name = repository_name
+        # self.created = datetime.utcnow()
+        self.uri = '012345678910.dkr.ecr.us-east-1.amazonaws.com/{0}'.format(
+            repository_name
+        )
+        self.registry_id = '012345678910'
+        self.images = []
+
+    @property
+    def physical_resource_id(self):
+        return self.name
+
+    @property
+    def response_object(self):
+        response_object = self.gen_response_object()
+
+        response_object['registryId'] = self.registry_id
+        response_object['repositoryArn'] = self.arn
+        response_object['repositoryName'] = self.name
+        response_object['repositoryUri'] = self.uri
+        # response_object['createdAt'] = self.created
+        del response_object['arn'], response_object['name']
+        return response_object
+
+    @classmethod
+    def create_from_cloudformation_json(cls, resource_name, cloudformation_json, region_name):
+        properties = cloudformation_json['Properties']
+
+        ecr_backend = ecr_backends[region_name]
+        return ecr_backend.create_repository(
+            # RepositoryName is optional in CloudFormation, thus create a random
+            # name if necessary
+            repository_name=properties.get(
+                'RepositoryName', 'ecrrepository{0}'.format(int(random() * 10 ** 6))),
+        )
+
+    @classmethod
+    def update_from_cloudformation_json(cls, original_resource, new_resource_name, cloudformation_json, region_name):
+        properties = cloudformation_json['Properties']
+
+        if original_resource.name != properties['RepositoryName']:
+            ecr_backend = ecr_backends[region_name]
+            ecr_backend.delete_cluster(original_resource.arn)
+            return ecr_backend.create_repository(
+                # RepositoryName is optional in CloudFormation, thus create a
+                # random name if necessary
+                repository_name=properties.get(
+                    'RepositoryName', 'RepositoryName{0}'.format(int(random() * 10 ** 6))),
+            )
+        else:
+            # no-op when nothing changed between old and new resources
+            return original_resource
+
+
+class Image(BaseObject):
+
+    def __init__(self, tag, manifest, repository, registry_id="012345678910"):
+        self.image_tag = tag
+        self.image_manifest = manifest
+        self.image_size_in_bytes = 50 * 1024 * 1024
+        self.repository = repository
+        self.registry_id = registry_id
+        self.image_digest = None
+        self.image_pushed_at = None
+
+    def _create_digest(self):
+        image_contents = 'docker_image{0}'.format(int(random() * 10 ** 6))
+        self.image_digest = "sha256:%s" % hashlib.sha256(image_contents).hexdigest()
+
+    def get_image_digest(self):
+        if not self.image_digest:
+            self._create_digest()
+        return self.image_digest
+
+    @property
+    def response_object(self):
+        response_object = self.gen_response_object()
+        response_object['imageId'] = {}
+        response_object['imageId']['imageTag'] = self.image_tag
+        response_object['imageId']['imageDigest'] = self.get_image_digest()
+        response_object['imageManifest'] = self.image_manifest
+        response_object['repositoryName'] = self.repository
+        response_object['registryId'] = self.registry_id
+        return response_object
+
+    @property
+    def response_list_object(self):
+        response_object = self.gen_response_object()
+        response_object['imageTag'] = self.image_tag
+        response_object['imageDigest'] = "i don't know"
+        return response_object
+
+    @property
+    def response_describe_object(self):
+        response_object = self.gen_response_object()
+        response_object['imageTags'] = [self.image_tag]
+        response_object['imageDigest'] = self.get_image_digest()
+        response_object['imageManifest'] = self.image_manifest
+        response_object['repositoryName'] = self.repository
+        response_object['registryId'] = self.registry_id
+        response_object['imageSizeInBytes'] = self.image_size_in_bytes
+        response_object['imagePushedAt'] = '2017-05-09'
+        return response_object
+
+
+class ECRBackend(BaseBackend):
+
+    def __init__(self):
+        self.repositories = {}
+
+    def describe_repositories(self, registry_id=None, repository_names=None):
+        """
+        maxResults and nextToken not implemented
+        """
+        repositories = []
+        for repository in self.repositories.values():
+            # If a registry_id was supplied, ensure this repository matches
+            if registry_id:
+                if repository.registry_id != registry_id:
+                    continue
+            # If a list of repository names was supplied, esure this repository
+            # is in that list
+            if repository_names:
+                if repository.name not in repository_names:
+                    continue
+            repositories.append(repository.response_object)
+        return repositories
+
+    def create_repository(self, repository_name):
+        repository = Repository(repository_name)
+        self.repositories[repository_name] = repository
+        return repository
+
+    def delete_repository(self, respository_name, registry_id=None):
+        if respository_name in self.repositories:
+            return self.repositories.pop(respository_name)
+        else:
+            raise Exception("{0} is not a repository".format(respository_name))
+
+    def list_images(self, repository_name, registry_id=None):
+        """
+        maxResults and filtering not implemented
+        """
+        images = []
+        for repository in self.repositories.values():
+            if repository_name:
+                if repository.name != repository_name:
+                    continue
+            if registry_id:
+                if repository.registry_id != registry_id:
+                    continue
+
+            for image in repository.images:
+                images.append(image)
+        return images
+
+    def describe_images(self, repository_name, registry_id=None, image_id=None):
+
+        if repository_name in self.repositories:
+            repository = self.repositories[repository_name]
+        else:
+            raise Exception("{0} is not a repository".format(repository_name))
+
+        response = []
+        for image in repository.images:
+            response.append(image)
+        return response
+
+    def put_image(self, repository_name, image_manifest, image_tag):
+        if repository_name in self.repositories:
+            repository = self.repositories[repository_name]
+        else:
+            raise Exception("{0} is not a repository".format(repository_name))
+
+        image = Image(image_tag, image_manifest, repository_name)
+        repository.images.append(image)
+        return image
+
+
+ecr_backends = {}
+for region, ec2_backend in ec2_backends.items():
+    ecr_backends[region] = ECRBackend()